Grip ring



Jan. 22, 1935. J- H|s$ 1,988,595

I GRIP RING Filed Feb. 6, 1952 F/G./ FIG. 2 F/G.3

. INVENTOR JAMES L. H/SS ATTORNEY Patented Jan. 22, 1935 James L. Hiss, Orange, N. J., assignor to The lltlzatyional Lock Washer Company, Newark,

Application Februaryt, 1932, Serial No. 591,435

4 Claims.

This invention relates to a design of grip ring used for retaining parts in position on a rod or shaft. V

One of the objects of my invention is to pro- 5 vide a grip ring which is so constructed as to be easily applied to the rod or shaft without the necessity of chamfering the end of the rod or shaft.

Another object of my invention is to provide a 10 grip ring which is so constructed that mere pressure on the outer side of the ring; will cause the shaft to spread it sufficiently so it can be forced into position on the rod or shaft.

Another object of my invention. is to provide 15 a grip ring so constructed that certain forms of the invention will cut into the rod or shaft and form its own grooved seat, thereby eliminating the operation of grooving the shaft.

Other objects may appear to one familiar with 2 devices of this character from a study of the drawing taken in connection with the specification. In the drawing,

Figure 1 is a side elevation of a rod or shaftend showing one form of grip ring in section po- 25 sitioned on a shaft provided with a groove.

Figure 2 is an end view of Figure 1, but with the grip ring complete.

Figure 3 is a sectional view through a modified form of grip ring.

30 Figure 4 shows a view similar to Figure 1, but showing in section a further modified form of grip ring.

Figures 5 and 6 show still further modifiedforms.

3 Figure '7 shows one form of the grip ring similar to that shown in Figure 1, applied to the rod or shaft on which it has cut its own groove or seat.

Figure 8 is an end-view of Figure 7.

40 In the difierent views, 1 is a shaft having a groove 2 triangular in cross-section in which may be positioned the grip ring 3. The ring 3 is formed so as to present a relatively sharp edge 4 which engages the base of the groove 2. The

45 beveled edge 5 acts to spread the grip which is split at 6 as the ring is pushed over the relatively sharp edge 7 of the end of the rod or shaft 1.

By having the grip ring 3 provided with this interiorly beveled surface 5 when the grip ring is 50 made, eliminates the operation of chamfering the end '7 of the shaft 1, and at the same time provides an easy assembly of the washer on to the rod or shaft as has been explained.

In the form of washer shown in Figure 3, the

55 surface 5 may be arcuate in form down to the point 8 from which point to the edge 9, the surface may be straight; or the entire surface may be arcuate in form as shown. Thisty pe of grip ring is more particularly adapted for use on a shaft or rod which has the groove 2 cut therein.

In the form shown in Figure 4, the ring 3 may have its interior periphery formed in two portions 10-and 11 as indicated.

In Figure 5, the portion 11 has a somewhat sharper bevel than the portion 11 in Figure 4, and the edge 4 is formed between bevels 11 and 12.

In Figure 6, the cross-section of the ring 3 is such that the surface 5 is more nearly parallel to the axis of the shaft, and like the form shown in Figure 3, it is more particularly adapted for use on a rod or shaft having the groove 2 already cut therein.

In Figure 7, is shown a ring 3 substantially the same as that shown in Figure 1, but in which the edge 4 is adapted to cut its own groove 13 into the shaft 1 as a thrust or pressure is ap-- plied from the parts assembled on the shaft at the left of the ring, it being understood that the grip ring is made of a material having a chemical composition which allows the ring 3 to be hardened and tempered so that the edge 4 is materially harder than the shaft 1.v

It is to be noted that the form of snap ring shown in Figures 4 and 5 may be utilized in the manner shown in Figure 7, while all of the forms can be used. on a rod or shaft having a groove already cut therein; but in all forms thersnap rings are so constructed so that at least some part of the inner peripheral surface of the ring acts as a cam to help spread the washer when pressure is applied to it to force it on to the shaft, and with these forms of grip rings, it is not necessary to chamfer the end of the shaft.

This sharp-edged ring holds better than the ordinary grip ring even in the grooved shaft, and by reason of its construction, it is easier to remove with a suitable tool. Furthermore, it is to be noted that a ring which is self-fixing in position provides more latitude or flexibility in positioning a device or object on the shaft.

Having thus described my invention, what I claim is:

1. Means for securing a member to a shaft or the like comprising a split annular metallic ring having an abutment face lying in a plane sub stantially at right angles to the axis of the ring, and also having its inner peripheral surface, starting from said abutment face, of varying contour finally terminating in a relatively sharp edge at one side of the ring, said edge and at least part of the edge forming surfaces normally having a diameter less than the diameter of the shaft for which the ring is suited.

2. Means for securing a member to a shaft or the like as set forth in claim 1, further characterized in that the metal of the ring is such that at least the said sharp edge may be hardened,

3. Means for securing a member to a shaft or the like comprising, a split annular ring having an abutment face lying in a plane substantially at right angles to the axis of the ring, and also having an annular cam surface within the inner rect application of a force to said edge through said face.

JAMES L. 1-1188. 

